Form 4 for MLAB MESA LABORATORIES INC /CO/
Accepted 2025-06-18 00:00:00 ET · period of report 2025-06-15 · accession 0001228924-25-000009 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-06-18 | 2025-06-15 | MLAB | Owens Gary M | Pres, CEO | M - OptEx | $0.00 | +4,426 | 47.8K | +10% | $0 |
| D | 2025-06-18 | 2025-06-16 | MLAB | Owens Gary M | Pres, CEO | S - Sale+OE | $97.12 | -1,939 | 45.8K | -4% | -$188.3K |
| D | 2025-06-18 | 2025-06-15 | MLAB | Owens Gary M | Pres, CEO | M - OptEx | $0.00 | -2,324 | 0 | -100% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-06-15 | M | A | 2,324 | $0.00 | 43,337 | D | — | — | |
| 2 | Common | Common Stock | 2025-06-16 | S | D | 1,939 | $97.12 | 45,824 | D | — | — | (F5) Shares sold to cover income tax obligations related to vested shares |
| 3 | Common | Common Stock | 2025-06-15 | M | A | 2,102 | $0.00 | 47,763 | D | — | — | (F4) Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY23 performance share unit program |
| 4 | Derivative | Restricted Stock Units - 7 | 2025-06-15 | M | D | 2,324 | $0.00 | 0 | D | — · — to — | 2,324 Common Stock | (F1) Each RSU represents a contingent right to receive one share of the Issuer's common stock (F2) RSUs that vested 1/3 on June 15, 2023 and each of the next two anniversary dates (F3) Not Applicable |